In vitro study of a multi-layer piezoelectric crystal attic hearing implant.

@article{Mills2001InVS,
  title={In vitro study of a multi-layer piezoelectric crystal attic hearing implant.},
  author={Robert P Mills and Zegao Wang and Eric W. Abel},
  journal={The Journal of laryngology and otology},
  year={2001},
  volume={115 5},
  pages={359-62}
}
We have developed a prototype middle-ear hearing implant which uses a multilayer piezoelectric actuator. In this series of experiments the actuator was attached to the medial wall of the attic so that it makes contact with the body of the incus. Initial in vitro evaluation has been carried out using a laser vibrometer (Polytec CLV) to measure stapes velocity. Stapes displacement is calculated by mathematical integration. The device used in this way is particularly effective at transmitting high… CONTINUE READING

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